Add unit tests

src/commands/allowed_dm/mod.rs

@@ -5,6 +5,7 @@ use crate::{Context, Error};
 
 /// Configure whether other users can set reminders to your direct messages
 #[poise::command(slash_command, rename = "dm")]
+#[cfg(not(test))]
 pub async fn allowed_dm(_ctx: Context<'_>) -> Result<(), Error> {
     Ok(())
 }